Fish identification archive / Scaly-tailed mantis shrimp

Scaly-tailed mantis shrimp

Lysiosquilla scabricauda

Fun facts for your next surface interval

Tiny yoyo clams can use this mantis shrimp or its burrow as a home. [source]
Different clam species use the burrow wall and the shrimp’s body. [source]
A published taxonomic illustration documents a 21 cm male from Key West. [source]

Florida and local context

Florent Charpin’s species gallery identifies the photographed animal as Lysiosquilla scabricauda and explicitly captions the photograph Blue Heron Bridge, Florida. This is a source-labeled photograph, not an independently reidentified voucher or a current sighting guarantee.

A documented past record does not establish present abundance or guarantee an encounter.

Sources: Named-site photograph: source identification, not independently reidentified

How to recognize this animal

Usually only the front of this burrow-dwelling stomatopod is visible. Stalked eyes and folded grasping limbs suggest a mantis shrimp, but they do not alone prove this species; the local photograph retains its source identification.

Sources: Named-site photograph: source identification, not independently reidentified

Size and life stages

A taxonomic study illustrates a 210 mm total-length male from Key West. That is one specimen, not a species maximum or a typical Palm Beach encounter size. A partly hidden animal cannot be measured from its exposed head.

Sources: Ahyong and colleagues: Lysiosquillidae taxonomic appraisal

Habitat and where to look

Indian River Lagoon research documents burrows in intertidal sand flats. Their openings can be partly concealed by a sand cap. Avoid disturbing any opening while looking for an animal.

Sources: Li and colleagues 2024, PeerJ: yoyo-clam communities in host burrows

Range and local context

Primary studies document Florida animals and examine western Atlantic larval dispersal. Blue Heron Bridge is supported separately by the specific photo record cited here.

Sources: Li and colleagues 2024, PeerJ: yoyo-clam communities in host burrows; Haline tolerance and modeled larval dispersal of western Atlantic stomatopods; Named-site photograph: source identification, not independently reidentified

What is on the menu?

Lysiosquillid hunting limbs are sharp, barbed spears for soft-bodied prey. The field researchers elicited attacks with fish bait; that research method is not a recommendation for recreational divers.

Sources: Li and colleagues 2024, PeerJ: yoyo-clam communities in host burrows

Daily habits and behavior

Its burrow can support tiny commensal clams, some attached to the wall and others to the host itself. Do not excavate a burrow to look for these animals.

Sources: Li and colleagues 2024, PeerJ: yoyo-clam communities in host burrows

Mating and the next generation

The larval-dispersal study addresses a water-column phase and modeled connections among regions. It does not verify a local breeding season, clutch size or permanent mate pair at Blue Heron Bridge.

Sources: Haline tolerance and modeled larval dispersal of western Atlantic stomatopods

Look-alikes and identification traps

Other mantis shrimps use burrows and may reveal only their eyes. A hole’s shape is not a species diagnosis; keep an incomplete sighting unidentified if body details are unavailable.

Sources: Ahyong and colleagues: Lysiosquillidae taxonomic appraisal; Named-site photograph: source identification, not independently reidentified

Observe without disturbing

Never insert fingers, probes or bait into the burrow. Keep fins above the sand and allow the animal to remain concealed. Do not copy specimen-collection techniques described in scientific papers.

Sources: Li and colleagues 2024, PeerJ: yoyo-clam communities in host burrows

Harvest, protection and eating safety

Unknown: exact harvest rules need verification

The neutral gray status means the rules or scope have not been fully verified. Exact species and jurisdiction clearance remains unresolved. Unknown is not a protected or prohibited classification.

This color is a qualified summary, not permission to collect or a guarantee that a particular animal is safe to eat.

Can it be hunted or harvested?

Lysiosquilla scabricauda is a stomatopod; generic shrimp rules are not exact-species clearance. Confirm the applicable category, season, limits and gear. This review does not establish a bag, size, method or season allowance for this exact taxon.

Florida seasons and areas

Annual season and current-trip openness are both unverified. Absence of a listed closure is not affirmative evidence of year-round harvest. Check the mapped site before any take. Blue Heron Bridge closes listed marine-life collection, not all county fishing. Biscayne prohibits ornamental collection without a superintendent permit and has a mapped March 1–May 31 fishing/possession closure effective in 2026, with a stowed continuous-transit exception. Pennekamp disallows tropical-fish collection and spearfishing. Key Largo Management Area prohibits tropical-fish take, marine-invertebrate take except specified lobster/stone-crab activities, and spearfishing. Sanctuary Preservation Areas prohibit fishing/collection except expressly stated exceptions. These are site rules, not whole-corridor bans.

Can it be speared?

Species-specific spearing clearance is unverified; do not treat a missing prohibition as permission. FWC restricts spearfishing near public swimming beaches, fishing piers/bridges, jetties and in state parks. The Long Key-north Monroe restriction concerns state waters; Key Largo Management Area has a separate prohibition. Federal location alone is not clearance.

Is it safe to eat?

No food-safety clearance, recipe or meal frequency is established. Consult current Florida Health guidance for the animal, capture site and consumer. A legal allowance does not establish that a catch is safe to eat. No dated species-matched local menu evidence was verified.

Lysiosquilla scabricauda is a stomatopod; generic shrimp rules are not exact-species clearance. Confirm the applicable category, season, limits and gear.

This review covers the Vero Beach–Key Largo Atlantic corridor: Indian River, St. Lucie, Martin, Palm Beach, Broward, Miami-Dade and Monroe counties. Florida Atlantic state waters and South Atlantic federal waters are distinct jurisdictions. Do not extend a state-water season tag to federal waters or transfer Atlantic rules to Gulf-side Keys waters. Park and sanctuary boundaries can override a species allowance.

Before you act: Confirm the species, date, exact management area, state or federal waters, gear, licenses and current local closures. A local occurrence record never grants permission to take an animal.

Official rules and health guidance

Reviewed 2026-11-11. Rules and advisories can change; check the linked authorities before acting.

Identification and source cautions

The X-Ray Magazine 2020 Blue Heron Bridge feature, page 39, independently captions this exact species.
Do not turn ambiguous tiger mantis shrimp references into a second species.
The local identification is the cited photographer or publisher’s identification; it has not been independently reidentified from a specimen.
Broad range or non-Florida research does not establish abundance, spawning dates or encounter probability at this Florida site.
Unverified species-specific details are identified in the relevant section rather than inferred from related animals.

Sources and review

Biology and taxonomy reviewed 2026-11-11. Photographs on cited sites are reference material and are not reproduced here.

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